Black Pipe Fittings

NDL offers a full line of 150# black malleable fittings and flanges.

NDL offers products ranging in diameters from 1/8” to 4”. All NDL Malleable Iron Pipe Fittings meet or exceed the applicable ASTM and ANSI standards and are also UL/FM rated and ISO certified, as required, more specifically:

  •  Malleable castings conform to ASTM A197.
  •  Malleable fitting dimensions conform to ASME B16.3.
  •  Malleable bushings, plugs and locknuts conform to ASME B16.14.
  •  Malleable unions conform to ASME B16.39.
  •   NPT threads on all fittings conform to ASME B1.20.1.